code: def _should_install_backend(package_name):
      # Check if backend is installed, otherwise install it locally for type hints
      ret = input(
          f"Backend {package_name} isn't installed locally, "
          "would you like to install it? [Y/n]\n"
      )
      if ret.lower() == "y":
          try:
              # Install backend
              subprocess.check_call(
                  [sys.executable, "-m", "pip", "install", package_name]
              )
              global _backend_is_installed
              _backend_is_installed = True
              with open(
                  "../../requirements/optional.txt", "a"
              ) as reqr_file:
                  reqr_file.write("\n" + package_name + "\n")
          except subprocess.CalledProcessError as e:
              raise RuntimeError(
                  f"{Fore.RED}Installing {package_name} failed. {e}"
              ) from e
      elif ret.lower() == "n":
          print(
              Fore.YELLOW + "Will continue without backend installed, "
              "type checking won't be available.\n"
          )
      else:
          print(f"{Fore.RED}{ret} not understood.")
          return False
  
      return True
  
file_path: ivy/scripts/backend_generation/generate.py
imports: import sys
  import subprocess
  import pprint
  import inspect
  import json
  from colorama import Fore, Style, init
  from importlib import import_module
  from importlib.util import find_spec
  from tree_generation import generate
  from shared import BackendNativeObject
  from dataclasses import asdict
label_desc: Use image node_id 3 for calling a global function with example usage: _should_install_backend(package_name) and returns: True, False